Guitar neck block



FIG. 1 is a front elevational view of a guitar neck block according to the present invention, shown in use;

FIG. 2 is a top, front, right side perspective view, showing only the claimed design;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a guitar neck block, as shown and described. 